Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quem estava na dupla masculina em 2010?
 ###Tabelas: CREATE TABLE previous_winners (previous_winners_id AUTO_INCREMENT PRIMARY KEY, Year INT, Men's singles VARCHAR, Women's singles VARCHAR, Men's doubles VARCHAR, Women's doubles VARCHAR, Mixed doubles VARCHAR) CREATE TABLE girls_league_championships (girls_league_championships_id AUTO_INCREMENT PRIMARY KEY, School Year VARCHAR, Volleyball VARCHAR, Cross Country VARCHAR, Soccer VARCHAR, Tennis VARCHAR, Golf VARCHAR) CREATE TABLE faculty_and_staff (faculty_and_staff_id AUTO_INCREMENT PRIMARY KEY, Data VARCHAR, Headcount INT, Percent of total VARCHAR, Less than $25,000 VARCHAR, $25,000 to $40,000 VARCHAR, $40,000 to $50,000 VARCHAR, $50,000 to $60,000 VARCHAR, $60,000 to $70,000 VARCHAR, $70,000 to $80,000 VARCHAR, More than $80,000 VARCHAR, Mean VARCHAR) CREATE TABLE 1978 (1978_id AUTO_INCREMENT PRIMARY KEY, Opposing Teams VARCHAR, Against INT, Date VARCHAR, Venue VARCHAR, Status VARCHAR) CREATE TABLE current_fleet (current_fleet_id AUTO_INCREMENT PRIMARY KEY, Length (feet) VARCHAR, Year VARCHAR, Make and model VARCHAR, Floor type VARCHAR, Number of seats INT, Bicycle capacity† INT, Fuel propulsion VARCHAR, Quantity INT)  
SELECT Men's doubles FROM previous_winners WHERE Year = 2010